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This program is free software; you can redistribute it and/or modify it under
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#include <gtest/gtest.h>
#include <thread>

#include "storage/temptable/include/temptable/allocator.h"
#include "storage/temptable/include/temptable/block.h"
#include "storage/temptable/include/temptable/storage.h"

namespace temptable_storage_unittest {

TEST(StorageTest, Iterate) {
  /* Set appropriate temptable_max_mmap */
  temptable_max_mmap = 1073741824;

  std::thread t([]() {
    temptable::TableResourceMonitor table_resource_monitor(16 * 1024 * 1024);
    temptable::Block shared_block;
    temptable::Allocator<uint8_t> allocator(&shared_block,
                                            table_resource_monitor);
    {
      temptable::Storage storage(&allocator);

      storage.element_size(sizeof(uint64_t));

      for (uint64_t i = 0; i < 10000; ++i) {
        *static_cast<uint64_t *>(storage.allocate_back()) = i;
      }

      uint64_t i = 0;
      for (auto it = storage.begin(); it != storage.end(); ++it, ++i) {
        EXPECT_EQ(i, *static_cast<uint64_t *>(*it));
      }

      i = storage.size();
      auto it = storage.end();
      for (; it != storage.begin();) {
        --it;
        --i;
        EXPECT_EQ(i, *static_cast<uint64_t *>(*it));
      }
      EXPECT_EQ(0u, i);
    }
    shared_block.destroy();
  });
  t.join();
}

TEST(StorageTest, AllocatorRebind) {
  // Bug in VS2019 error C3409 if we do the same as above.
  // Turns out it is the rebind which confuses the compiler.

  /* Set appropriate temptable_max_mmap */
  temptable_max_mmap = 1073741824;

  auto thread_function = []() {
    temptable::TableResourceMonitor table_resource_monitor(16 * 1024 * 1024);
    temptable::Block shared_block;
    temptable::Allocator<uint8_t> alloc(&shared_block, table_resource_monitor);
    uint8_t *shared_eater = alloc.allocate(
        1048576);  // Make sure to consume the initial shared block.
    uint8_t *ptr = alloc.allocate(100);

    decltype(alloc)::rebind<uint32_t>::other rebound_alloc(alloc);

    alloc.deallocate(ptr, 100);

    uint32_t *ptr2 = rebound_alloc.allocate(50);
    rebound_alloc.deallocate(ptr2, 50);

    alloc.deallocate(shared_eater, 1048576);

    shared_block.destroy();
  };
  std::thread t(thread_function);
  t.join();
}

} /* namespace temptable_storage_unittest */
